1. What would happen to a planarian if their cilia were no longer able to function?

Select one:

a. The cilia would cease propeling fluid through the nephridia and out of the body. This would prevent them from ridding the body of excess water and excreting metabolic wastes.

b. The cilia would cease propeling fluid through the excretory tubules and out of the body. This would prevent them from ridding the body of excess water and excreting metabolic wastes.

c. If the cilia ceased functioning then large amounts of excretory fluids would leak through the excretory tubules and out of the body.

d. The cilia would cease propeling fluid through the excretory tubules and into the body. This would cause them to rid the body of excess water and metabolic wastes.

e. The cilia would cease propeling fluid through the Malpighian tubules and out of the body. This would prevent them from ridding the body of excess water and excreting metabolic wastes.

 

2. What is the part of the kidney that consists of six to ten cone-shaped renal pyramids?

Select one:

a. The renal medulla

b. The renal nephron

c. The renal pelvis

d. The renal cortex

e. The renal collecting duct

 

3. In the segmented body of an annelid, the paired excretory structures are called _________.

Select one:

a. Flame cells

b. Kidneys

c. Malpighian tubules

d. Nephridia

e. Nephrons

 

4. What are the small holes on an insect's body that allow air to enter its respiratory system?

Select one:

a. Tracheoles

b. Alveoli

c. Spiracles

d. Tracheae

e. Air sacs

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Status NEW Posted 13 May 2017 12:05 AM My Price 7.00

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